The MAXI 2 range consists of boilers for the production of domestic hot water, equipped with a fixed, double coil with a large surface area, particularly suitable for use with heat pumps in COMBINATION (combined) with integrative sources (SOLAR, BOILER,...), available in capacities from 300 to 1000 litres. They are equipped with different types of insulation according to capacity (see Insulation table), PVC outer jacket, magnesium anode for protection against galvanic currents, inspection flange for easy access during inspection and maintenance.